#! /usr/bin/env python
# -*- coding: utf-8 -*-

# *************************************************************
#     Filename @  intest.py
#       Author @  Huoty
#  Create date @  2015-07-08 14:43:12
#  Description @  
# *************************************************************



# Script starts from here
string = "khy"
if not string in ["hello", "khy", "woel", "afsdfa", "ddddd", "asdfasdf"]:
    print "no"
else:
    print "yes"
